Return error if wallet already exists for xpub key #43

	name: Build and Test
	on: [push, pull_request]
	permissions:
	contents: read
	jobs:
	build-go:
	name: Go CI
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go: ['1.20', '1.21']
	steps:
	- uses: awalsh128/cache-apt-pkgs-action@1850ee53f6e706525805321a3f2f863dcf73c962 #v1.3.0
	with:
	packages: git-restore-mtime libgtk-3-dev libwebkit2gtk-4.0-dev
	version: 1.0

	- name: Set up Go
	uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe #v4.1.0
	with:
	go-version: ${{ matrix.go }}

	- name: Check out source
	uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac #v4.0.0
	with:
	fetch-depth: 0
	# Restore original file modification times for test cache reasons
	- name: restore timestamps
	run: git restore-mtime
	- name: Install Linters
	run: "curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh \| sh -s -- -b $(go env GOPATH)/bin v1.54.2"
	- name: Use test and module cache
	uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84 #v3.3.2
	with:
	path: \|
	~/.cache/go-build
	~/go/pkg/mod
	key: go-test-${{ matrix.go }}-${{ github.sha }}
	restore-keys: go-test-${{ matrix.go }}

	- name: Test
	env:
	GO111MODULE: "on"
	run: \|
	./run_tests.sh

	lint-docs:
	name: Lint Markdown
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac #v4.0.0
	- uses: DavidAnson/markdownlint-cli2-action@3aaa38e446fbd2c288af4291aa0f55d64651050f #v12.0.0
	continue-on-error: true
	with:
	globs: \|
	*.md

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